Common metal and their alloys; metal building materials; protective screens of metal; protective shutters of metal; metal sheet; metal plating; bars of metal; barriers of metal; reinforcing materials of metal for building; building materials of metal; panels of metal; cladding of metal; frames of metal; outdoor blinds of metal; roller blinds of metal; accessories for all the aforegoing

Water treatment systems, including stormwater treatment systems; separator units for removal and storage of oil and sediment from stormwater drainage

Concrete pipes for various industrial purposes, including water supply, drainage, sewerage and irrigation, and for lamp standards, septic tanks and well linings, and the following articles composed wholly or mainly of concrete, anchor blocks, box culverts, crib blocks, fence posts, garden seats, grease traps, guttering, incinerators, kerbing, manhole units, paving slabs, sewerage fittings, silo staves, troughing, water stave tanks, pretensioned beams and postensioned beams,